Zipper



FIG. 1 shows a front perspective view of a zipper;

FIG. 2 shows a rear perspective view of the zipper of FIG. 1;

FIG. 3 shows a front view of the zipper of FIG. 1;

FIG. 4 shows a rear view of the zipper of FIG. 1;

FIG. 5 shows a right-side view of the zipper of FIG. 1;

FIG. 6 shows a left-side view of the zipper of FIG. 1;

FIG. 7 shows a top view of the zipper of FIG. 1; and,

FIG. 8 shows a bottom view of the zipper of FIG. 1.

The dashed lines depict environment and form no part of the claimed design. The dashed-dot lines illustrate a boundary of the claimed design and form no part of the claimed design. 

CLAIM The ornamental design for a zipper, as shown and described. 